Home / 83,178.38-124,730.51-23,999.99

Finding the Fourth Proportional to 83,178.38, 124,730.51 and 23,999.99

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Solution

The fourth proportional to 83,178.38, 124,730.51 and 23,999.99 is: 35,989.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,178.38 : 124,730.51 = 23,999.99 : x
  2. Step 2: Convert to fraction form
    83,178.38/124,730.51 = 23,999.99/x
  3. Step 3: Cross multiply
    83,178.38x = 124,730.51 × 23,999.99
  4. Step 4: Simplify right side
    83,178.38x = 2,993,530,872.69
  5. Step 5: Solve for x
    x = 2,993,530,872.69/83,178.38
  6. Step 6: Final answer
    x = 35,989.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.